Install Preflight in Claude Code
This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:
claude mcp add preflight -- <command to start the server>Frequently asked questions
What does the Preflight MCP server do?
Catch vague Claude Code prompts before they waste tokens: prompt scorecards, session history search, cross-service contract awareness and cost estimation.
Is the Preflight MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does Preflight run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Preflight to Claude Code?
Follow the install steps in the project's README at https://github.com/preflight-dev/preflight, then register it with "claude mcp add".
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